.studyContainer {
  height: 100%;
  .header {
    width: 100%;
    height: 56px;
    background: #333333;
    box-shadow: 0px 2px 8px 0px rgba(0, 0, 0, 0.5);
    line-height: 56px;
    .courseName {
      font-size: 14px;
      font-family: PingFang-SC-Regular, PingFang-SC;
      font-weight: 400;
      color: #B9B9C9;
      text-shadow: 0px 2px 8px rgba(0, 0, 0, 0.5);
      margin-left: 50px;
    }
    .headerText {
      font-size: 14px;
      font-family: PingFang-SC-Regular, PingFang-SC;
      font-weight: 400;
      color: #B9B9C9;
      text-shadow: 0px 2px 8px rgba(0, 0, 0, 0.5);
      padding-left: 19px;
    }
  }
  .catalogue {
    width: 320px;
    background: #191919;
    height: calc(~'100% - 56px');
    float: left;
  }
  .playContainer {
    float: right;
    height: calc(~'100% - 56px');
    width: calc(~'100% - 320px');
    :global {
      .video_player {
        height: 100%!important;
        padding-top: 0!important;
      }
      .video-react .video-react-big-play-button {
        top: 50%;
        left: 50%;
        width: 2em;
        height: 2em;
        border-radius: 50%;
      }
      .video-react-big-play-button:before {
        top: 5px;
        left: 1px;
      }
    }
  }
}